#define _CRT_SECURE_NO_WARNINGS 1



#include <stdio.h>



#include <string.h>



#include <windows.h>



#include <math.h>

int Fun(char* str)

{

	int n = 0;

	while (*str != 0)

	{

		n++;

		str++;

	}

	return n;

}

int main()

{

	char s[] = "abcdef";

	int ret = Fun(s);

	printf("%d", ret);

	return 0;

}